package com.atguigu.lease.web.app.service.impl;


import com.atguigu.lease.common.constant.RedisConstant;
import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.utils.JwtUtil;
import com.atguigu.lease.common.utils.VerifyCodeUtil;
import com.atguigu.lease.model.entity.UserInfo;
import com.atguigu.lease.model.enums.BaseStatus;
import com.atguigu.lease.web.app.service.LoginService;
import com.atguigu.lease.web.app.service.SmsService;
import com.atguigu.lease.web.app.service.UserInfoService;
import com.atguigu.lease.web.app.vo.user.LoginVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.concurrent.TimeUnit;

@Service
public class LoginServiceImpl implements LoginService {


    @Autowired
    private StringRedisTemplate stringRedisTemplate;
    @Autowired
    private SmsService smsService;
    @Autowired
    private UserInfoService userInfoService;

    @Override
    public void getCode(String phone) {
        //检查号码是否为空
        if (!StringUtils.hasText(phone)) {
            new LeaseException(ResultCodeEnum.APP_LOGIN_PHONE_EMPTY);
        }

        //检查key是否存入redis中
        String key = RedisConstant.APP_LOGIN_PREFIX + phone;
        Boolean hasKey = stringRedisTemplate.hasKey(key);
        if (hasKey) {
            Long expire = stringRedisTemplate.getExpire(key);
            if (RedisConstant.APP_LOGIN_CODE_TTL_SEC - expire < RedisConstant.APP_LOGIN_CODE_RESEND_TIME_SEC)
                //不足一分钟则
                throw new LeaseException(ResultCodeEnum.APP_SEND_SMS_TOO_OFTEN);
        }

        //发送验证码,存入redis中
        String verifyCode = VerifyCodeUtil.getVerifyCode(6);
        smsService.sendCode(phone,verifyCode);
        stringRedisTemplate.opsForValue().set(key,verifyCode,RedisConstant.APP_LOGIN_CODE_RESEND_TIME_SEC, TimeUnit.SECONDS);
    }

    @Override
    public String login(LoginVo loginVo) {
        if (!StringUtils.hasText(loginVo.getPhone())){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_PHONE_EMPTY);
        }
        if(!StringUtils.hasText(loginVo.getCode())){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_CODE_EMPTY);
        }
        //判断验证码是否为空
        String key = RedisConstant.APP_LOGIN_PREFIX + loginVo.getPhone();
        String code = stringRedisTemplate.opsForValue().get(key);
        if (code==null){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_CODE_EXPIRED);
        }

        if (!code.equals(loginVo.getCode())){
            throw  new LeaseException(ResultCodeEnum.APP_LOGIN_CODE_ERROR);
        }

        //判断用户是否存在
        LambdaQueryWrapper<UserInfo> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(UserInfo::getPhone,loginVo.getPhone());
        UserInfo userInfo = userInfoService.getOne(queryWrapper);
        if (userInfo==null){
            userInfo = new UserInfo();
            userInfo.setPhone(loginVo.getPhone());
            userInfo.setNickname("用户-"+loginVo.getPhone().substring(5));
            userInfo.setStatus(BaseStatus.ENABLE);
            userInfoService.save(userInfo);
        }
        //判断用户是否被禁
        if (userInfo.getStatus().equals(BaseStatus.DISABLE)){
            throw new LeaseException(ResultCodeEnum.APP_ACCOUNT_DISABLED_ERROR);
        }
        return JwtUtil.setToken(userInfo.getPhone(),userInfo.getId());
    }
}
